When using a PTHLexer, use DiscardToEndOfLine() instead of ReadToEndOfLine().
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index a1216b1..68f4957 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -473,10 +473,15 @@
// tokens. For example, this is allowed: "#warning ` 'foo". GCC does
// collapse multiple consequtive white space between tokens, but this isn't
// specified by the standard.
- std::string Message = CurLexer->ReadToEndOfLine();
-
- unsigned DiagID = isWarning ? diag::pp_hash_warning : diag::err_pp_hash_error;
- Diag(Tok, DiagID) << Message;
+
+ if (CurLexer) {
+ std::string Message = CurLexer->ReadToEndOfLine();
+ unsigned DiagID = isWarning ? diag::pp_hash_warning : diag::err_pp_hash_error;
+ Diag(Tok, DiagID) << Message;
+ }
+ else {
+ CurPTHLexer->DiscardToEndOfLine();
+ }
}
/// HandleIdentSCCSDirective - Handle a #ident/#sccs directive.